Top => user_data   User "variables" that control or modify the actual operation of the software.

Categories: Users 

Notes:  Typically "sparse" data, in that most users do not have values for "most" variables. Whereas fields that have data for everyone typically are added as new columns in user_info.

Name Type Index Null? Default
userid varchar(255) (pk) No '' Actual userid (with 'name' combines to form primary key) name. FK user_info
name varchar(240) (pk) No '' name of user "variable"
value mediumtext value of "variable"